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m68knommu: complete interrupt controller code for the 68360 CPU

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Define the interrupt controller structures along with the interrupt
controller code for the 68360 CPU. This brings the interrupt setup
and control into one place for this CPU family.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer 2009-05-01 17:22:36 +10:00
parent 1985d2538c
commit 0531d7b36b
1 changed files with 30 additions and 16 deletions
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46
arch/m68knommu/platform/68360/ints.c
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@ -37,11 +37,33 @@ extern void *_ramvec[];
/* The number of spurious interrupts */
volatile unsigned int num_spurious;
static void intc_irq_unmask(unsigned int irq)
{
pquicc->intr_cimr |= (1 << irq);
}
static void intc_irq_mask(unsigned int irq)
{
pquicc->intr_cimr &= ~(1 << irq);
}
static void intc_irq_ack(unsigned int irq)
{
pquicc->intr_cisr = (1 << irq);
}
static struct irq_chip intc_irq_chip = {
.name = "M68K-INTC",
.mask = intc_irq_mask,
.unmask = intc_irq_unmask,
.ack = intc_irq_ack,
};
/*
* This function should be called during kernel startup to initialize
* the vector table.
*/
void init_vectors(void)
void init_IRQ(void)
{
int i;
int vba = (CPM_VECTOR_BASE<<4);
@ -109,20 +131,12 @@ void init_vectors(void)
/* turn off all CPM interrupts */
pquicc->intr_cimr = 0x00000000;
}
void enable_vector(unsigned int irq)
{
pquicc->intr_cimr |= (1 << irq);
}
void disable_vector(unsigned int irq)
{
pquicc->intr_cimr &= ~(1 << irq);
}
void ack_vector(unsigned int irq)
{
pquicc->intr_cisr = (1 << irq);
for (i = 0; (i < NR_IRQS); i++) {
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = NULL;
irq_desc[i].depth = 1;
irq_desc[i].chip = &intc_irq_chip;
}
}